Q. The unit of force in the SI system is derived from which of the following? (2023)
  • A. Mass and length
  • B. Mass, length, and time
  • C. Length and time
  • D. Mass and time
Q. The unit of force in the SI system is: (2023)
  • A. Joule
  • B. Newton
  • C. Pascal
  • D. Watt
Q. The unit of power in the SI system is defined as: (2023)
  • A. Joule per second
  • B. Newton per meter
  • C. Watt per hour
  • D. Kilogram meter per second
Q. The unit of power in the SI system is: (2023)
  • A. Joule
  • B. Watt
  • C. Newton
  • D. Pascal
Q. The unit of work is defined as one joule. What is one joule equivalent to? (2023)
  • A. One newton meter
  • B. One kilogram meter per second
  • C. One watt second
  • D. One pascal meter
Q. The viscosity of a fluid is a measure of its: (2022)
  • A. Density
  • B. Pressure
  • C. Resistance to flow
  • D. Temperature
Q. The work done by an ideal gas during an isothermal expansion is given by which formula? (2023)
  • A. W = PΔV
  • B. W = nRT ln(Vf/Vi)
  • C. W = ΔU
  • D. W = 0
Q. Two capacitors of capacitance 2μF and 3μF are connected in series. What is the equivalent capacitance? (2019)
  • A. 1.2μF
  • B. 1.5μF
  • C. 0.86μF
  • D. 5μF
Q. Two identical charges are placed 1 m apart. If the distance is reduced to 0.5 m, how does the force between them change? (2022)
  • A. It doubles
  • B. It remains the same
  • C. It quadruples
  • D. It halves
Q. Two identical charges are placed 1 m apart. If the magnitude of each charge is doubled, what happens to the force between them? (2022)
  • A. It remains the same
  • B. It doubles
  • C. It quadruples
  • D. It halves
Q. What happens to the buoyant force when the density of the fluid increases? (2022)
  • A. It decreases
  • B. It increases
  • C. It remains the same
  • D. It becomes zero
Q. What happens to the capacitance of a capacitor if a dielectric material is inserted between its plates? (2022)
  • A. It decreases
  • B. It increases
  • C. It remains the same
  • D. It becomes zero
Q. What happens to the capacitance of a capacitor if a dielectric material is inserted? (2021)
  • A. It increases
  • B. It decreases
  • C. It remains the same
  • D. It becomes zero
Q. What happens to the capacitance of a capacitor if a dielectric material is introduced between its plates? (2021)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What happens to the current in a circuit if the voltage is increased while keeping the resistance constant? (2023)
  • A. It decreases
  • B. It increases
  • C. It remains the same
  • D. It becomes zero
Q. What happens to the current in a circuit if the voltage is increased while the resistance remains constant? (2021)
  • A. The current decreases
  • B. The current increases
  • C. The current remains the same
  • D. The current becomes zero
Q. What happens to the current in a circuit if the voltage is tripled while the resistance remains constant? (2023)
  • A. It triples.
  • B. It halves.
  • C. It remains the same.
  • D. It increases by a factor of nine.
Q. What happens to the current in a parallel circuit if one branch is removed? (2019)
  • A. Current increases
  • B. Current decreases
  • C. Current remains the same
  • D. Current stops
Q. What happens to the current in a series circuit if one of the components fails? (2019)
  • A. Current increases
  • B. Current decreases
  • C. Current stops
  • D. Current remains the same
Q. What happens to the density of a material when it is compressed? (2019)
  • A. It decreases
  • B. It increases
  • C. It remains the same
  • D. It becomes zero
Q. What happens to the density of a solid when it is subjected to uniform compression? (2020)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Depends on the material
Q. What happens to the electric field when the charge is doubled while keeping the distance constant? (2023)
  • A. It doubles
  • B. It halves
  • C. It quadruples
  • D. It remains the same
Q. What happens to the electric potential energy when a capacitor is disconnected from a battery and the plates are moved further apart? (2023)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What happens to the image distance when the object distance is increased in a convex lens? (2022)
  • A. Image distance decreases
  • B. Image distance increases
  • C. Image distance remains the same
  • D. Image distance becomes negative
Q. What happens to the image distance when the object is moved closer to a concave mirror? (2021)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes negative
Q. What happens to the image distance when the object is moved closer to a convex lens than its focal length? (2023)
  • A. Image distance increases
  • B. Image distance decreases
  • C. Image distance remains the same
  • D. Image cannot be formed
Q. What happens to the image formed by a convex lens when the object is placed at a distance greater than twice the focal length? (2022)
  • A. Virtual and erect
  • B. Real and inverted
  • C. Real and erect
  • D. Virtual and inverted
Q. What happens to the image when an object is moved closer to a convex lens than its focal length? (2019)
  • A. Real and inverted
  • B. Virtual and erect
  • C. Real and erect
  • D. Virtual and inverted
Q. What happens to the induced EMF if the speed of the magnet moving through a coil is doubled? (2022)
  • A. It remains the same
  • B. It doubles
  • C. It halves
  • D. It quadruples
Q. What happens to the induced emf when the rate of change of magnetic flux increases? (2019)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes zero
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